/*!css公共样式 */
/*
  main->主轴: x轴
 cross->交叉轴: y轴
 ub: 把一个div变成一个盒子模型
 ub-f(x): 把一个div平均分成 x 份 (其中x属于0~10)
 row-left: 设置div横向从左边排列
 row-right: 设置div横向从右边排列
 column-top: 设置div从上到下排列
 column-bottom: 设置div从下到上排列
 main-center: 设置div主轴方向居中显示
 main-justify： 设置div主轴方向两端对齐，项目之间的间隔都相等
 cross-center: 设置div交叉轴方向居中显示
*/
.ub {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex
}

.row-left {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -webkit-flex-direction: row;
  -ms-flex-direction: row;
  flex-direction: row
}

.row-right {
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
  -webkit-flex-direction: row-reverse;
  -ms-flex-direction: row-reverse;
  flex-direction: row-reverse;
  -webkit-box-pack: end
}

.column-top {
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column
}

.column-bottom {
  -webkit-box-orient: vertical;
  -webkit-box-direction: reverse;
  -webkit-flex-direction: column-reverse;
  -ms-flex-direction: column-reverse;
  flex-direction: column-reverse;
  -webkit-box-pack: end
}

.main-left {
  -webkit-box-pack: start;
  -webkit-justify-content: flex-start;
  -ms-flex-pack: start;
  justify-content: flex-start
}

.main-right {
  -webkit-box-pack: end;
  -webkit-justify-content: flex-end;
  -ms-flex-pack: end;
  justify-content: flex-end
}

.main-justify {
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between
}

.main-center {
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center
}

.cross-top {
  -webkit-box-align: start;
  -webkit-align-items: flex-start;
  -ms-flex-align: start;
  align-items: flex-start
}

.cross-bottom {
  -webkit-box-align: end;
  -webkit-align-items: flex-end;
  -ms-flex-align: end;
  align-items: flex-end
}

.cross-center {
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center
}

.ub-f0 {
  -webkit-box-flex: 0;
  -webkit-flex-grow: 0;
  -ms-flex-positive: 0;
  flex-grow: 0;
  -webkit-flex-shrink: 0;
  -ms-flex-negative: 0;
  flex-shrink: 0
}

.ub-f1 {
  -webkit-box-flex: 1;
  -webkit-flex-grow: 1;
  -ms-flex-positive: 1;
  flex-grow: 1;
  -webkit-flex-shrink: 1;
  -ms-flex-negative: 1;
  flex-shrink: 1
}

.ub-f2 {
  -webkit-box-flex: 2;
  -webkit-flex-grow: 2;
  -ms-flex-positive: 2;
  flex-grow: 2;
  -webkit-flex-shrink: 2;
  -ms-flex-negative: 2;
  flex-shrink: 2
}

.ub-f3 {
  -webkit-box-flex: 3;
  -webkit-flex-grow: 3;
  -ms-flex-positive: 3;
  flex-grow: 3;
  -webkit-flex-shrink: 3;
  -ms-flex-negative: 3;
  flex-shrink: 3
}

.ub-f4 {
  -webkit-box-flex: 4;
  -webkit-flex-grow: 4;
  -ms-flex-positive: 4;
  flex-grow: 4;
  -webkit-flex-shrink: 4;
  -ms-flex-negative: 4;
  flex-shrink: 4
}

.ub-f5 {
  -webkit-box-flex: 5;
  -webkit-flex-grow: 5;
  -ms-flex-positive: 5;
  flex-grow: 5;
  -webkit-flex-shrink: 5;
  -ms-flex-negative: 5;
  flex-shrink: 5
}

.ub-f6 {
  -webkit-box-flex: 6;
  -webkit-flex-grow: 6;
  -ms-flex-positive: 6;
  flex-grow: 6;
  -webkit-flex-shrink: 6;
  -ms-flex-negative: 6;
  flex-shrink: 6
}

.ub-f7 {
  -webkit-box-flex: 7;
  -webkit-flex-grow: 7;
  -ms-flex-positive: 7;
  flex-grow: 7;
  -webkit-flex-shrink: 7;
  -ms-flex-negative: 7;
  flex-shrink: 7
}

.ub-f8 {
  -webkit-box-flex: 8;
  -webkit-flex-grow: 8;
  -ms-flex-positive: 8;
  flex-grow: 8;
  -webkit-flex-shrink: 8;
  -ms-flex-negative: 8;
  flex-shrink: 8
}

.ub-f9 {
  -webkit-box-flex: 9;
  -webkit-flex-grow: 9;
  -ms-flex-positive: 9;
  flex-grow: 9;
  -webkit-flex-shrink: 9;
  -ms-flex-negative: 9;
  flex-shrink: 9
}

.ub-f10 {
  -webkit-box-flex: 10;
  -webkit-flex-grow: 10;
  -ms-flex-positive: 10;
  flex-grow: 10;
  -webkit-flex-shrink: 10;
  -ms-flex-negative: 10;
  flex-shrink: 10
}
